Finding the Fourth Proportional to 3,665.70, 5,058.84 and 2,072.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.70 : 5,058.84 = 2,072.41 : x
2. Step 2: Convert to fraction form
   3,665.70/5,058.84 = 2,072.41/x
3. Step 3: Cross multiply
   3,665.70x = 5,058.84 × 2,072.41
4. Step 4: Simplify right side
   3,665.70x = 10,483,990.60
5. Step 5: Solve for x
   x = 10,483,990.60/3,665.70
6. Step 6: Final answer
   x = 2,860.02